Andrea B. Posted March 8, 2017 Share Posted March 8, 2017 Blum, A.G. (2017) Tree Bark of Eucalyptus sp. L'Hér. (Myrtaceae) Eucalyptus. Flowers photographed in ultraviolet and visible light. http://www.ultraviol...ptus-tree-bark/ Boyce Thompson Arboretum, Superior, Arizona, USA23 March 2013Non-native tree in arboretum Comment:Several different Eucalyptus trees, non-native to the US, were planted in the very diverse Boyce Thompson Arboretum to form a small grove. I could not find a name marker for this one. Its partly-deciduous bark makes for a very interesting light/dark pattern in both UV and visible light. Equipment [Nikon D600-broadband + Nikon 105mm f/4.5 UV-Nikkor] Visible Light [f/8 for 1/250" @ ISO-200 in Sunlight with Baader UVIR-Block Filter] Ultraviolet Light [f/8 for 1/4" @ ISO-400 in Sunlight with BaaderU UV-Pass Filter] Link to comment
DaveO Posted March 9, 2017 Share Posted March 9, 2017 Hello Andrea, You probably know what I'm going to say. Eucalypts are difficult to ID from the bark, a guess would be E. camaldulensis River Red Gum, but the definitive way is to see the leaves, buds, flowers and fruit. Dave Link to comment
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